1444620548 has 36 divisors (see below), whose sum is σ = 2943063900. Its totient is φ = 618653952.

The previous prime is 1444620539. The next prime is 1444620571. The reversal of 1444620548 is 8450264441.

It can be written as a sum of positive squares in 2 ways, for example, as 29506624 + 1415113924 = 5432^2 + 37618^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417128 + ... + 420576.

It is an arithmetic number, because the mean of its divisors is an integer number (81751775).

Almost surely, 2^1444620548 is an apocalyptic number.

It is an amenable number.

1444620548 is an abundant number, since it is smaller than the sum of its proper divisors (1498443352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1444620548 is a wasteful number, since it uses less digits than its factorization.

1444620548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5604 (or 5595 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 38.

The square root of 1444620548 is about 38008.1642282287. The cubic root of 1444620548 is about 1130.4497512707.

Adding to 1444620548 its reverse (8450264441), we get a palindrome (9894884989).

The spelling of 1444620548 in words is "one billion, four hundred forty-four million, six hundred twenty thousand, five hundred forty-eight".